<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <title>购物车示例</title>

    <link rel="stylesheet" type="text/css" href="style.css">
</head>

<body>
    <div id="app" v-cloak>
        <template v-if="list.length">
            <table>
                <thead>
                    <tr>
                        <th></th>
                        <th>商品名称</th>
                        <th>商品单价</th>
                        <th>商品数量</th>
                        <th>操作</th>
                    </tr>
                </thead>
                <tbody>
                    <tr v-for="(item, index) in list">
                        <td>{{index+1}}</td>
                        <td>{{item.name}}</td>
                        <td>{{item.price}}</td>
                        <td>
                            <button @click="handleReduce(index)" :disabled="item.count===1">-</button>
                            {{item.count}}
                            <button @click="handleAdd(index)">+</button>
                        </td>
                        <td>
                            <button @click="handleRemove(index)">移除</button>
                        </td>
                    </tr>
                </tbody>
            </table>
            <div>总价： ￥{{totalPrice}}</div>
        </template>
        <div v-else>购物车为空</div>
    </div>
</body>

<!--js 脚本如果写在 head 里， VUE 实例将无法创建， 因为此时 DOM 还没有被解析完成 -->
<script src="https://cdn.jsdelivr.net/npm/vue@2.6.0"></script>
<script src="index.js"></script>
</html>